feat: implement quote editing for admins and creators

shop/components/order-wizard.tsx

@@ -3,7 +3,7 @@
 import { useState, useMemo } from 'react'
 import { useRouter } from 'next/navigation'
 import { motion, AnimatePresence } from 'framer-motion'
-import { Product, ProductModule, Profile, EndCustomer } from '@/lib/types'
+import { Product, ProductModule, Profile, EndCustomer, Order } from '@/lib/types'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle, CardFooter } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
 import { Checkbox } from '@/components/ui/checkbox'
@@ -12,7 +12,7 @@ import { Label } from '@/components/ui/label'
 import { Separator } from '@/components/ui/separator'
 import { RadioGroup, RadioGroupItem } from '@/components/ui/radio-group'
 import { Check, ChevronRight, ChevronLeft, ShoppingCart, User, ShieldCheck, Cloud, Utensils, HardDrive, Package, AlertCircle, Loader2, UserPlus, Building2, CreditCard, Calendar, Search } from 'lucide-react'
-import { submitOrder } from '@/lib/actions/orders'
+import { submitOrder, updateOrder } from '@/lib/actions/orders'
 import { createEndCustomer } from '@/lib/actions/end-customers'
 import { Category } from '@/lib/types'
 import { Badge } from '@/components/ui/badge'
@@ -80,11 +80,13 @@ export function OrderWizard({
   categories,
   initialProfile,
   initialEndCustomers,
+  initialOrder,
 }: {
   products: Product[]
   categories: Category[]
   initialProfile: Profile | null
   initialEndCustomers: EndCustomer[]
+  initialOrder?: Order | null
 }) {
   const router = useRouter()
   const [step, setStep] = useState(1)
@@ -96,7 +98,9 @@ export function OrderWizard({
   // Endkunden-State
   const [endCustomers, setEndCustomers] = useState<EndCustomer[]>(initialEndCustomers)
   const [selectedEndCustomerId, setSelectedEndCustomerId] = useState<string | null>(
-    initialEndCustomers.length > 0 ? initialEndCustomers[0].id : null
+    initialOrder
+      ? initialOrder.end_customer_id
+      : (initialEndCustomers.length > 0 ? initialEndCustomers[0].id : null)
   )
   const selectedEndCustomer = endCustomers.find(c => c.id === selectedEndCustomerId) ?? null
 
@@ -134,13 +138,26 @@ export function OrderWizard({
   })
 
   // Abrechnungsmodell-Auswahl ('one_time' = Kauf, 'monthly' = Abo)
-  const [selectedBillingInterval, setSelectedBillingInterval] = useState<'one_time' | 'monthly'>('monthly')
+  const [selectedBillingInterval, setSelectedBillingInterval] = useState<'one_time' | 'monthly'>(
+    initialOrder?.order_data?.billing_cycle ?? 'monthly'
+  )
 
   // Modulmengen (moduleId -> Menge)
-  const [moduleQuantities, setModuleQuantities] = useState<Record<string, number>>({})
+  const [moduleQuantities, setModuleQuantities] = useState<Record<string, number>>(() => {
+    if (!initialOrder) return {}
+    const quantities: Record<string, number> = {}
+    initialOrder.order_data?.items?.forEach(item => {
+      item.selected_modules?.forEach(mod => {
+        quantities[mod.module_id] = mod.quantity ?? 1
+      })
+    })
+    return quantities
+  })
 
   // Datum der letzten Lizenz (Bestandskunden-Update-Logik)
-  const [lastLicenseDate, setLastLicenseDate] = useState<string>("")
+  const [lastLicenseDate, setLastLicenseDate] = useState<string>(
+    initialOrder?.order_data?.last_license_date ?? ""
+  )
 
   const lastLicenseMonths = useMemo(() => {
     if (!lastLicenseDate || customerMode !== 'select' || !selectedEndCustomerId) return null
@@ -174,6 +191,16 @@ export function OrderWizard({
   const [selections, setSelections] = useState<Record<string, CategorySelection>>(() => {
     const init: Record<string, CategorySelection> = {}
     categories.forEach(cat => {
+      if (initialOrder) {
+        const item = initialOrder.order_data?.items?.find(i => i.category_id === cat.id)
+        if (item) {
+          init[cat.id] = {
+            productId: item.product_id,
+            moduleIds: item.selected_modules?.map(m => m.module_id) ?? []
+          }
+          return
+        }
+      }
       const first = products.find(p => p.category_id === cat.id && p.show_in_abo !== false)
       init[cat.id] = { productId: first?.id ?? null, moduleIds: [] }
     })
@@ -335,21 +362,34 @@ export function OrderWizard({
     if (isSubmitting) return  // Doppelklick-Guard
     setIsSubmitting(true)
     try {
-      const order = await submitOrder({
-        selections,
-        moduleQuantities,
-        products,
-        categories,
-        customerProfile: customerData,
-        endCustomerId: selectedEndCustomerId,
-        endCustomer: selectedEndCustomer,
-        billingInterval: selectedBillingInterval,
-        lastLicenseDate: lastLicenseDate || null,
-      })
+      let order
+      if (initialOrder) {
+        order = await updateOrder(initialOrder.id, {
+          selections,
+          moduleQuantities,
+          customerProfile: customerData,
+          endCustomerId: selectedEndCustomerId,
+          endCustomer: selectedEndCustomer,
+          billingInterval: selectedBillingInterval,
+          lastLicenseDate: lastLicenseDate || null,
+        })
+      } else {
+        order = await submitOrder({
+          selections,
+          moduleQuantities,
+          products,
+          categories,
+          customerProfile: customerData,
+          endCustomerId: selectedEndCustomerId,
+          endCustomer: selectedEndCustomer,
+          billingInterval: selectedBillingInterval,
+          lastLicenseDate: lastLicenseDate || null,
+        })
+      }
       router.push(`/order/success?id=${order.id}`)
-    } catch (error) {
+    } catch (error: any) {
       console.error(error)
-      alert('Fehler bei der Bestellung. Bitte versuchen Sie es erneut.')
+      alert(error?.message || (initialOrder ? 'Fehler beim Aktualisieren des Angebots.' : 'Fehler bei der Bestellung. Bitte versuchen Sie es erneut.'))
       setIsSubmitting(false)  // Nur bei Fehler wieder entsperren
     }
   }
@@ -1106,9 +1146,13 @@ export function OrderWizard({
                   disabled={isSubmitting}
                 >
                   {isSubmitting ? (
-                    <><Loader2 className="mr-2 h-5 w-5 animate-spin" /> Bestellung wird verarbeitet...</>
+                    initialOrder ? (
+                      <><Loader2 className="mr-2 h-5 w-5 animate-spin" /> Angebot wird aktualisiert...</>
+                    ) : (
+                      <><Loader2 className="mr-2 h-5 w-5 animate-spin" /> Bestellung wird verarbeitet...</>
+                    )
                   ) : (
-                    'Kostenpflichtig bestellen'
+                    initialOrder ? 'Angebot aktualisieren' : 'Kostenpflichtig bestellen'
                   )}
                 </Button>
                 <Button variant="ghost" className="w-full text-white" onClick={prevStep}>